sed1374 ETC-unknow, sed1374 Datasheet - Page 37

• Manufacturer Part Number: sed1374
• Description: Sed1374 Embedded Memory Color Lcd Controller
• Manufacturer: ETC-unknow

Epson Research and Development
Vancouver Design Center
Hardware Functional Specification
Issue Date: 99/04/29
Symbol
T
f
CKIO
t10
t11
t12
t13
t14
t15
t16
CKIO
t2
t3
t4
t5
t6
t7
t8
t9
Bus Clock frequency
Bus Clock period
Clock pulse width high
Clock pulse width low
A[15:0], RD/WR# setup to CKIO
A[15:0], RD/WR# hold from CS#
BS# setup
BS# hold
CSn# setup
Falling edge RD# to DB[15:0] driven
Rising edge CSn# to WAIT# high impedance
Falling edge CSn# to WAIT# driven
CKIO to WAIT# delay
DB[15:0] setup to 2
DB[15:0] hold from rising edge of WEn# (write cycle)
DB[15:0] valid to RDY# falling edge setup time (read cycle)
Rising edge RD# to DB[15:0] high impedance (read cycle)
Note
CKIO may be turned off (held low) between accesses - see Section 13.5, “Turning Off
BCLK Between Accesses” on page 86
nd
a
CKIO after BS# (write cycle)
Table 7-2: SH-3 Bus Timing
One Software WAIT State Required
Parameter
1/f
Min
17
16
CKIO
0
0
0
5
5
0
0
0
0
Max
50
25
10
15
20
10
a
Units
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
X26A-A-001-02
SED1374
Page 29